SupraExpress v/f/d transition probs

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Hi,

On Thu, May 06, 1999 at 03:48:04PM +0000, Bjoern Giesler wrote:
> o vgetty aborts greeting message, tries to set answering type to fax 
>   ("AT#CLS=2, AT+FAA=1, AT+FBOR=0") (no idea what these mean
>   individually) and tries to answer in that mode sending "ATA"

"go to fax class 2 mode, switch on fax/data Adaptive Answering, use the
Bit ORder that mgetty wants".

> o my modem hangs up immediately

It doesn't.  See below.

> 05/06 17:35:46 dem   mdm_command: string 'AT+FBOR=0'
> 05/06 17:35:46 dem    got:[0d][0a]OK[0d]
> 05/06 17:35:46 dem   mdm_command: string 'OK' -> OK
> 05/06 17:35:46 dem  send: ATA[0d]
> 05/06 17:35:46 dem  waiting for ``CONNECT''
> 05/06 17:35:46 dem   got: ATA[0d]
> 05/06 17:35:46 dem    CND: OKATA[0d][0a]+FHNG:
> 05/06 17:36:30 dem  found action string: ``+FHNG:''

It takes nearly a full minute to hang up - the "CND:" line is written
after the ATA[0d][0a] is received, and the "found action string" line
is written the moment the ":" of "+FHNG:" is seen - this is a bit
confusing, but that's what you get if you log the caracters as they
come in.

As to why it doesn't work - sounds like a generic case of "what kind
of call is that?  No idea, try fax.  Hmm.  Wrong.  So what, give up".

Does it work for data/fax calls from within mgetty?  If that doesn't
work either, there isn't anything you can do - there are quite a number
of modem that work fine for data and fax, but not for data/fax
autodetect.

(If it does work in mgetty, things will get interesting).

gert
-- 
Gert Doering
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... mobile phone: +49 177 2160221 ... or mail me:  gert@greenie.muc.de